23. If 20 m of wire is available for fencing off aflower-bed in the form of a circular sector,then the maximum area (in sq m) of theflower-bed is[JEE Main 2017 (Offline(a) 12.5 (b) 10 (c) 25 (d) 30 how come area is 1/2r^2m About the author Piper
Answer:
(a) is the correct answer